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Kinosternon oaxacae

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA REPTILIA TESTUDINES KINOSTERNIDAE

Scientific Name: Kinosternon oaxacae
Species Authority: Berry & Iverson, 1980
Common Name(s):
English Oaxaca Mud Turtle

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): van Dijk, P.P. & Canseco-Marquez, L.
Reviewer(s): Buskirk, J.R., Carr, J.L., Iverson, J.B. & Rhodin, A.G.J. (Tortoise & Freshwater Turtle Red List Authority)
Justification:
In the absence of all but morphological and distribution information, an assessment is not possible.
History:
1994 Indeterminate (Groombridge 1994)
1990 Indeterminate (IUCN 1990)
1988 Indeterminate (IUCN Conservation Monitoring Centre 1988)

Geographic Range [top]

Range Description: Southern Oaxaca, Mexico, and presumably into eastern Guerrero (Iverson 1992, Carr 1993). The species is known from between 100 and 800 m elevation (Berry and Iverson 1980).
Countries:
Native:
Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This is generally understood to be an uncommon species, although is apparently very common in southern Oaxaca and adjoining easternmost Guerrero (Buskirk in litt. 2 Jan 2007).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: Inhabits still, turbid waters, including seasonal pools, permanent ponds, marshlands and muddy ponds, but animals are occasionally encountered in rivers (Iverson, 1986). It may be washed onto the coastal plain by seasonal upland flooding (Ernst and Barbour 1989).

The animals are active apparently mainly during the rainy season (June to October) and rarely bask (Iverson 1986).

The species is probably an opportunistic feeder; recorded diet is dominated by plant matter, but animal matter (beetles, shrimp, tadpoles, fish) is also taken (Iverson 1986).

Maximum size is 175 mm in males and 157 mm CL in females. Males reach maturity between 113 and 125 mm CL, at an age of about 7 to 10 years, while females mature at about 115 mm CL and 8 to 9 years of age (Iverson 1986).
Nesting likely occurs from after mid-July, and hatching probably occurs after the rainy season but the hatchlings likely remain in the nest until next rainy season (Iverson 1986).
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): Carr (in litt. 11 Jan 2007) reported to have found it as a road kill, and obtained a series of shells from locals that were presumably eaten, so there may be some localized subsistence use as food; the significance of these levels of mortality is unknown. Small numbers of juveniles in the international pet trade, apparently derived from captive breeding in Mexico and elsewhere, pose no threat to the species at present trade levels.

Conservation Actions [top]

Conservation Actions: Turtles in general are protected from exploitation under Mexican wildlife and natural resource legislation; implementation is uneven. Not likely to occur in the coastal Lagunas de Chacahua NP or Huatulco NP.

All basic biological and status information needs to be collected for this species.

Citation: van Dijk, P.P. & Canseco-Marquez, L. 2007. Kinosternon oaxacae. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 27 November 2014.
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